243022442213 has 8 divisors (see below), whose sum is σ = 243665260608. Its totient is φ = 242380049184.

The previous prime is 243022442167. The next prime is 243022442227. The reversal of 243022442213 is 312244220342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243022442213 - 2⁶ = 243022442149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243022442233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054520 + ... + 1264142.

It is an arithmetic number, because the mean of its divisors is an integer number (30458157576).

Almost surely, 2^243022442213 is an apocalyptic number.

It is an amenable number.

243022442213 is a deficient number, since it is larger than the sum of its proper divisors (642818395).

243022442213 is a wasteful number, since it uses less digits than its factorization.

243022442213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212683.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243022442213 its reverse (312244220342), we get a palindrome (555266662555).

The spelling of 243022442213 in words is "two hundred forty-three billion, twenty-two million, four hundred forty-two thousand, two hundred thirteen".